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Neurology. 1997 Oct;49(4):1163-6.

Clinical and molecular analysis of a pedigree of southern Italian ancestry with spinocerebellar ataxia type 2.

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  • 1Division of Neurology, CSMC Burns and Allen Research Institute, Cedars-Sinai Medical Center, UCLA School of Medicine, Los Angeles, CA 90048, USA.


We describe patients from five generations of a pedigree with mutations in the spinocerebellar ataxia type 2 gene (SCA2). The predominant clinical features observed included both appendicular and truncal ataxia, dysarthria, slowness of saccades, and impaired optokinetic responses. Successive generations demonstrated both earlier ages of onset as well as increasing numbers of trinucleotide repeat sequences. The signs found in this family are compared with the description of other families with SCA2 as well as with other types of dominantly inherited spinocerebellar ataxias.

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